Define the term inflorescence. Explain the basis for the different types inflorescence in flowering plants.

Describe the arrangement of floral members in relation to their insertion on thalamus.

Write the floral formula of a actinomorphic, bisexual, hypogynous flower with five united sepals, five free petals, five free stamens and two united carples with superior ovary and axile placentation.

Rearrange the following zones as seen in the root in vertical section and

choose the correct option.

A. Root hair zone

B. Zone of meristems

C. Rootcap zone

D. Zone of maturation

E. Zone of elongation

• C, B, E, A, D

• A, B, C, D, E

• D, E, A, C, B

• E, D, C, B, A

• Proximal

• Distal

• Intercalary

• Anywhere

The mature seeds of plants such as gram and peas, possess no endosperm, because

• These plants are not angiosperms

• There is no double fertilization in them

• Endosperm is not formed in them

• Endosperm gets used up by the developing embryo during seed development

Roots developed from parts of the plant other than radicle are called 

• Taproots

• Fibrous roots

• Adventitious roots

• Nodular roots

Venation is a term used to describe the pattern of arrangement of 

• Floral organs

• Flower in inflorescence

• Veins and veinlets in a lamina

• All of them

Endosperm, a product of double fertilization in angiosperms is absent in the seeds of

• Gram

• Orchids

• Maize

• Castor

30.

Many pulses of daily use belong to one of the families below (tick the correct answer)

• Solanaceae

• Fabaceae

• Liliaceae

• Poaceae